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NCT05603780: DEEPTIME
DEEPTIME: Human Adaptation in Time Underground Isolation
NA trial testing exploratory protocol in Physiological Stress in 15 participants. Completed in 11 March 2022.
11 September 2021
Quick facts
| Lead sponsor | University Hospital, Caen |
|---|---|
| Phase | NA |
| Status | Completed |
| Study type | INTERVENTIONAL |
| Allocation | na |
| Design | single group |
| Masking | none |
| Primary purpose | basic science |
| Enrollment | 15 |
| Start date | 11 March 2021 |
| Primary completion | 11 September 2021 |
| Estimated completion | 11 March 2022 |
| Sites | 1 location across France |
Drugs / interventions tested
- exploratory protocol
Conditions studied
- Physiological Stress — all drugs for Physiological Stress →
- Cognitive Dysfunction — all drugs for Cognitive Dysfunction →
- Sleep — all drugs for Sleep →
Sponsor
University Hospital, Caen
Who can join
Adults 25 to 50, any sex, with Physiological Stress or Cognitive Dysfunction. Patients with the condition only — healthy volunteers not accepted.
Sponsor's own description
The objectives of this scientific expedition are: a/ Evaluation of temporal cognitive perception and collective synchronization in a temporally anomalous universe (underground environment), b/ Influence of group living on the endogenous circadian rhythmicity of the central biological clock and peripheral clocks in a "free-running" situation (absence of light/natural darkness), c/Evaluation of cognitive and physiological performance in response to exposure to an extreme environment in a natural underground cavity (cave) without access to a time indicator for 40 days, d/Correlation of cognitive, behavioral, psychological, social, neurophysiological and physiological parameters, e/ Determination of adaptation or maladaptation criteria (biological, genetic, physiological, neurophysiological, psychological and cognitive) in an isolation environment (underground) f/ Study of the evolution of collective organization, decision making and leadership in an extreme isolation and management situation.
Publications & conference data
No peer-reviewed publications indexed yet for this trial. Completed trials usually publish results within 12-18 months.
Verify or expand the search:
- PubMed search for NCT05603780
- Europe PMC full search
- ASCO Meeting Library
- ESMO Meeting Library
- bioRxiv preprints
- medRxiv preprints
- Google Scholar
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Other University Hospital, Caen trials
Trials by the same sponsor.
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Verify against primary sources
- ClinicalTrials.gov — authoritative US registry record
- WHO ICTRP — international registry index
- EU Clinical Trials Register
- Sponsor press releases (Google)
- Trial protocol + status: ClinicalTrials.gov NCT05603780 (US National Library of Medicine, public domain)
- Drug + disease cross-links: matched in real time against Drug Landscape's normalised drug + company + condition tables
- Sponsor: as reported to ClinicalTrials.gov by University Hospital, Caen
- Last refreshed: 2 April 2026
Drug Landscape aggregates and links these public records for informational use only. Always verify against the primary source before clinical or regulatory decisions. Canonical URL: https://druglandscape.com/trial/NCT05603780.
Primary sources · FDA · ClinicalTrials.gov · EMA · SEC EDGAR · ChEMBL · Wikidata · full sourcing